java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:31:10,653 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:31:10,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:31:10,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:31:10,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:31:10,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:31:10,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:31:10,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:31:10,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:31:10,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:31:10,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:31:10,694 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:31:10,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:31:10,695 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:31:10,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:31:10,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:31:10,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:31:10,701 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:31:10,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:31:10,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:31:10,709 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:31:10,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:31:10,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:31:10,722 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:31:10,748 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:31:10,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:31:10,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:31:10,749 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:31:10,751 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:31:10,751 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:31:10,751 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:31:10,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:31:10,752 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:31:10,752 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:31:10,752 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:31:10,752 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:31:10,752 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:31:10,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:31:10,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:31:10,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:31:10,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:31:10,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:31:10,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:31:10,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:31:10,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:31:10,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:31:10,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:31:10,755 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:31:10,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:31:10,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:31:10,757 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:31:10,757 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:31:10,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:31:10,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:31:10,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:31:10,831 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:31:10,831 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:31:10,832 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-24 16:31:10,902 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2564b1591/c320487998c142e0a0b909846d037ac0/FLAG2ee307860 [2018-10-24 16:31:11,475 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:31:11,478 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-24 16:31:11,507 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2564b1591/c320487998c142e0a0b909846d037ac0/FLAG2ee307860 [2018-10-24 16:31:11,535 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2564b1591/c320487998c142e0a0b909846d037ac0 [2018-10-24 16:31:11,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:31:11,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:31:11,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:31:11,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:31:11,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:31:11,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:31:11" (1/1) ... [2018-10-24 16:31:11,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777de76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:11, skipping insertion in model container [2018-10-24 16:31:11,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:31:11" (1/1) ... [2018-10-24 16:31:11,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:31:11,657 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:31:12,194 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:31:12,198 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:31:12,365 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:31:12,382 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:31:12,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12 WrapperNode [2018-10-24 16:31:12,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:31:12,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:31:12,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:31:12,384 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:31:12,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:31:12,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:31:12,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:31:12,596 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:31:12,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... [2018-10-24 16:31:12,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:31:12,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:31:12,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:31:12,702 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:31:12,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:31:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:31:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:31:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:31:16,303 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:31:16,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:31:16 BoogieIcfgContainer [2018-10-24 16:31:16,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:31:16,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:31:16,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:31:16,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:31:16,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:31:11" (1/3) ... [2018-10-24 16:31:16,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20575f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:31:16, skipping insertion in model container [2018-10-24 16:31:16,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:31:12" (2/3) ... [2018-10-24 16:31:16,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20575f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:31:16, skipping insertion in model container [2018-10-24 16:31:16,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:31:16" (3/3) ... [2018-10-24 16:31:16,313 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-10-24 16:31:16,324 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:31:16,334 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:31:16,353 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:31:16,392 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:31:16,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:31:16,393 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:31:16,393 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:31:16,393 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:31:16,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:31:16,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:31:16,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:31:16,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:31:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-24 16:31:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-24 16:31:16,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:16,430 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:16,432 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:16,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:16,440 INFO L82 PathProgramCache]: Analyzing trace with hash -387853398, now seen corresponding path program 1 times [2018-10-24 16:31:16,442 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:16,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:16,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:16,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:16,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:16,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:16,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:16,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:16,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:16,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:16,872 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-24 16:31:19,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:19,812 INFO L93 Difference]: Finished difference Result 870 states and 1578 transitions. [2018-10-24 16:31:19,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:19,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-10-24 16:31:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:19,845 INFO L225 Difference]: With dead ends: 870 [2018-10-24 16:31:19,845 INFO L226 Difference]: Without dead ends: 617 [2018-10-24 16:31:19,851 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:19,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-10-24 16:31:19,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2018-10-24 16:31:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-10-24 16:31:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 940 transitions. [2018-10-24 16:31:19,939 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 940 transitions. Word has length 38 [2018-10-24 16:31:19,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:19,939 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 940 transitions. [2018-10-24 16:31:19,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 940 transitions. [2018-10-24 16:31:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-24 16:31:19,947 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:19,948 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:19,948 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:19,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:19,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1913323023, now seen corresponding path program 1 times [2018-10-24 16:31:19,949 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:19,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:19,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:19,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:19,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:20,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:20,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 16:31:20,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:31:20,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:31:20,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:31:20,562 INFO L87 Difference]: Start difference. First operand 617 states and 940 transitions. Second operand 6 states. [2018-10-24 16:31:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:26,146 INFO L93 Difference]: Finished difference Result 3026 states and 4618 transitions. [2018-10-24 16:31:26,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 16:31:26,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-24 16:31:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:26,163 INFO L225 Difference]: With dead ends: 3026 [2018-10-24 16:31:26,163 INFO L226 Difference]: Without dead ends: 2411 [2018-10-24 16:31:26,168 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:31:26,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2018-10-24 16:31:26,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 1870. [2018-10-24 16:31:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-10-24 16:31:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2494 transitions. [2018-10-24 16:31:26,245 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2494 transitions. Word has length 147 [2018-10-24 16:31:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:26,246 INFO L481 AbstractCegarLoop]: Abstraction has 1870 states and 2494 transitions. [2018-10-24 16:31:26,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:31:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2494 transitions. [2018-10-24 16:31:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-24 16:31:26,256 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:26,257 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:26,257 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:26,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:26,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1563967103, now seen corresponding path program 1 times [2018-10-24 16:31:26,258 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:26,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:26,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:26,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:26,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-24 16:31:26,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:26,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:26,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:26,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:26,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:26,527 INFO L87 Difference]: Start difference. First operand 1870 states and 2494 transitions. Second operand 4 states. [2018-10-24 16:31:31,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:31,497 INFO L93 Difference]: Finished difference Result 5170 states and 7227 transitions. [2018-10-24 16:31:31,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:31,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2018-10-24 16:31:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:31,515 INFO L225 Difference]: With dead ends: 5170 [2018-10-24 16:31:31,515 INFO L226 Difference]: Without dead ends: 3302 [2018-10-24 16:31:31,519 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2018-10-24 16:31:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3302. [2018-10-24 16:31:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3302 states. [2018-10-24 16:31:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 4301 transitions. [2018-10-24 16:31:31,591 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 4301 transitions. Word has length 214 [2018-10-24 16:31:31,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:31,591 INFO L481 AbstractCegarLoop]: Abstraction has 3302 states and 4301 transitions. [2018-10-24 16:31:31,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 4301 transitions. [2018-10-24 16:31:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-24 16:31:31,595 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:31,595 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:31,596 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:31,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:31,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1007823356, now seen corresponding path program 1 times [2018-10-24 16:31:31,596 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:31,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:31,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:31,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:31,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 140 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-24 16:31:31,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:31,917 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:31,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:32,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-24 16:31:32,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:32,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-24 16:31:32,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:31:32,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:31:32,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:31:32,179 INFO L87 Difference]: Start difference. First operand 3302 states and 4301 transitions. Second operand 6 states. [2018-10-24 16:31:40,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:40,429 INFO L93 Difference]: Finished difference Result 9155 states and 11800 transitions. [2018-10-24 16:31:40,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 16:31:40,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2018-10-24 16:31:40,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:40,457 INFO L225 Difference]: With dead ends: 9155 [2018-10-24 16:31:40,458 INFO L226 Difference]: Without dead ends: 5284 [2018-10-24 16:31:40,465 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:31:40,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2018-10-24 16:31:40,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 3285. [2018-10-24 16:31:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3285 states. [2018-10-24 16:31:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 3679 transitions. [2018-10-24 16:31:40,539 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 3679 transitions. Word has length 228 [2018-10-24 16:31:40,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:40,539 INFO L481 AbstractCegarLoop]: Abstraction has 3285 states and 3679 transitions. [2018-10-24 16:31:40,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:31:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3679 transitions. [2018-10-24 16:31:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-10-24 16:31:40,545 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:40,546 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:40,546 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:40,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:40,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1637886600, now seen corresponding path program 1 times [2018-10-24 16:31:40,547 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:40,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:40,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:40,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:40,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:41,087 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-24 16:31:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 270 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-24 16:31:41,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:41,491 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:41,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:41,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-24 16:31:41,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:41,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 16:31:41,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:31:41,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:31:41,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:31:41,701 INFO L87 Difference]: Start difference. First operand 3285 states and 3679 transitions. Second operand 8 states. [2018-10-24 16:31:45,391 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-24 16:31:49,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:49,308 INFO L93 Difference]: Finished difference Result 8020 states and 9093 transitions. [2018-10-24 16:31:49,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 16:31:49,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 345 [2018-10-24 16:31:49,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:49,329 INFO L225 Difference]: With dead ends: 8020 [2018-10-24 16:31:49,329 INFO L226 Difference]: Without dead ends: 4736 [2018-10-24 16:31:49,334 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-10-24 16:31:49,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2018-10-24 16:31:49,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4537. [2018-10-24 16:31:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4537 states. [2018-10-24 16:31:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 4998 transitions. [2018-10-24 16:31:49,418 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 4998 transitions. Word has length 345 [2018-10-24 16:31:49,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:49,419 INFO L481 AbstractCegarLoop]: Abstraction has 4537 states and 4998 transitions. [2018-10-24 16:31:49,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:31:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 4998 transitions. [2018-10-24 16:31:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2018-10-24 16:31:49,433 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:49,433 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:49,434 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:49,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:49,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2081368363, now seen corresponding path program 1 times [2018-10-24 16:31:49,434 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:49,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:49,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:49,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:49,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:50,262 WARN L179 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2018-10-24 16:31:50,695 WARN L179 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-10-24 16:31:50,937 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 16:31:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 711 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-10-24 16:31:51,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:51,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:31:51,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:31:51,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:31:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:31:51,163 INFO L87 Difference]: Start difference. First operand 4537 states and 4998 transitions. Second operand 7 states. [2018-10-24 16:31:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:52,760 INFO L93 Difference]: Finished difference Result 9314 states and 10286 transitions. [2018-10-24 16:31:52,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:31:52,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 513 [2018-10-24 16:31:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:52,777 INFO L225 Difference]: With dead ends: 9314 [2018-10-24 16:31:52,778 INFO L226 Difference]: Without dead ends: 4355 [2018-10-24 16:31:52,783 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:31:52,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2018-10-24 16:31:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2018-10-24 16:31:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4355 states. [2018-10-24 16:31:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 4745 transitions. [2018-10-24 16:31:52,865 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 4745 transitions. Word has length 513 [2018-10-24 16:31:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:52,866 INFO L481 AbstractCegarLoop]: Abstraction has 4355 states and 4745 transitions. [2018-10-24 16:31:52,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:31:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 4745 transitions. [2018-10-24 16:31:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2018-10-24 16:31:52,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:52,883 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:52,884 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:52,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:52,884 INFO L82 PathProgramCache]: Analyzing trace with hash -325385925, now seen corresponding path program 1 times [2018-10-24 16:31:52,884 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:52,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:52,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:52,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:52,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:53,521 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-10-24 16:31:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 909 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-24 16:31:53,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:53,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:53,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:53,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:53,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:53,803 INFO L87 Difference]: Start difference. First operand 4355 states and 4745 transitions. Second operand 4 states. [2018-10-24 16:31:56,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:56,236 INFO L93 Difference]: Finished difference Result 11393 states and 12676 transitions. [2018-10-24 16:31:56,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:56,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 640 [2018-10-24 16:31:56,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:56,263 INFO L225 Difference]: With dead ends: 11393 [2018-10-24 16:31:56,263 INFO L226 Difference]: Without dead ends: 7219 [2018-10-24 16:31:56,268 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:56,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-10-24 16:31:56,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2018-10-24 16:31:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-24 16:31:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7846 transitions. [2018-10-24 16:31:56,378 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7846 transitions. Word has length 640 [2018-10-24 16:31:56,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:56,379 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7846 transitions. [2018-10-24 16:31:56,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7846 transitions. [2018-10-24 16:31:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2018-10-24 16:31:56,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:56,407 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:56,407 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:56,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:56,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1329105499, now seen corresponding path program 1 times [2018-10-24 16:31:56,408 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:56,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:56,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:56,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:56,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-10-24 16:31:57,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:57,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:57,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:57,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:57,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:57,140 INFO L87 Difference]: Start difference. First operand 7219 states and 7846 transitions. Second operand 4 states. [2018-10-24 16:31:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:58,529 INFO L93 Difference]: Finished difference Result 14257 states and 15510 transitions. [2018-10-24 16:31:58,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:58,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 832 [2018-10-24 16:31:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:58,553 INFO L225 Difference]: With dead ends: 14257 [2018-10-24 16:31:58,554 INFO L226 Difference]: Without dead ends: 7219 [2018-10-24 16:31:58,561 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:58,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-10-24 16:31:58,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2018-10-24 16:31:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-24 16:31:58,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7622 transitions. [2018-10-24 16:31:58,656 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7622 transitions. Word has length 832 [2018-10-24 16:31:58,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:58,657 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7622 transitions. [2018-10-24 16:31:58,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7622 transitions. [2018-10-24 16:31:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-10-24 16:31:58,669 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:58,670 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:58,670 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:58,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:58,670 INFO L82 PathProgramCache]: Analyzing trace with hash 496632342, now seen corresponding path program 1 times [2018-10-24 16:31:58,671 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:58,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:58,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:58,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:58,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2371 backedges. 1540 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2018-10-24 16:31:59,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:59,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:59,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:59,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:59,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:59,565 INFO L87 Difference]: Start difference. First operand 7219 states and 7622 transitions. Second operand 4 states. [2018-10-24 16:32:01,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:01,100 INFO L93 Difference]: Finished difference Result 15689 states and 16624 transitions. [2018-10-24 16:32:01,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:32:01,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 886 [2018-10-24 16:32:01,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:01,131 INFO L225 Difference]: With dead ends: 15689 [2018-10-24 16:32:01,131 INFO L226 Difference]: Without dead ends: 8651 [2018-10-24 16:32:01,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2018-10-24 16:32:01,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 8651. [2018-10-24 16:32:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8651 states. [2018-10-24 16:32:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8651 states to 8651 states and 9095 transitions. [2018-10-24 16:32:01,252 INFO L78 Accepts]: Start accepts. Automaton has 8651 states and 9095 transitions. Word has length 886 [2018-10-24 16:32:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:01,253 INFO L481 AbstractCegarLoop]: Abstraction has 8651 states and 9095 transitions. [2018-10-24 16:32:01,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:32:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 8651 states and 9095 transitions. [2018-10-24 16:32:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2018-10-24 16:32:01,273 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:32:01,274 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:32:01,274 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:32:01,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:32:01,275 INFO L82 PathProgramCache]: Analyzing trace with hash 2056836584, now seen corresponding path program 1 times [2018-10-24 16:32:01,275 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:32:01,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:32:01,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:01,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:01,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3605 backedges. 1108 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2018-10-24 16:32:02,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:32:02,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:32:02,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:32:02,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:32:02,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:02,416 INFO L87 Difference]: Start difference. First operand 8651 states and 9095 transitions. Second operand 4 states. [2018-10-24 16:32:03,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:03,607 INFO L93 Difference]: Finished difference Result 18016 states and 19003 transitions. [2018-10-24 16:32:03,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:32:03,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1058 [2018-10-24 16:32:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:03,631 INFO L225 Difference]: With dead ends: 18016 [2018-10-24 16:32:03,631 INFO L226 Difference]: Without dead ends: 9004 [2018-10-24 16:32:03,639 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:03,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9004 states. [2018-10-24 16:32:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9004 to 8646. [2018-10-24 16:32:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8646 states. [2018-10-24 16:32:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8646 states to 8646 states and 9005 transitions. [2018-10-24 16:32:03,742 INFO L78 Accepts]: Start accepts. Automaton has 8646 states and 9005 transitions. Word has length 1058 [2018-10-24 16:32:03,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:03,743 INFO L481 AbstractCegarLoop]: Abstraction has 8646 states and 9005 transitions. [2018-10-24 16:32:03,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:32:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 8646 states and 9005 transitions. [2018-10-24 16:32:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2018-10-24 16:32:03,762 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:32:03,763 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:32:03,763 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:32:03,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:32:03,764 INFO L82 PathProgramCache]: Analyzing trace with hash 234601072, now seen corresponding path program 1 times [2018-10-24 16:32:03,764 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:32:03,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:32:03,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:03,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:03,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 2488 proven. 0 refuted. 0 times theorem prover too weak. 1354 trivial. 0 not checked. [2018-10-24 16:32:05,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:32:05,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 16:32:05,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:32:05,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:32:05,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:32:05,290 INFO L87 Difference]: Start difference. First operand 8646 states and 9005 transitions. Second operand 5 states. [2018-10-24 16:32:07,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:07,934 INFO L93 Difference]: Finished difference Result 18912 states and 19728 transitions. [2018-10-24 16:32:07,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:32:07,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1106 [2018-10-24 16:32:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:07,955 INFO L225 Difference]: With dead ends: 18912 [2018-10-24 16:32:07,956 INFO L226 Difference]: Without dead ends: 10447 [2018-10-24 16:32:07,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:32:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10447 states. [2018-10-24 16:32:08,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10447 to 9368. [2018-10-24 16:32:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9368 states. [2018-10-24 16:32:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9368 states to 9368 states and 9752 transitions. [2018-10-24 16:32:08,095 INFO L78 Accepts]: Start accepts. Automaton has 9368 states and 9752 transitions. Word has length 1106 [2018-10-24 16:32:08,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:08,096 INFO L481 AbstractCegarLoop]: Abstraction has 9368 states and 9752 transitions. [2018-10-24 16:32:08,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:32:08,096 INFO L276 IsEmpty]: Start isEmpty. Operand 9368 states and 9752 transitions. [2018-10-24 16:32:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2018-10-24 16:32:08,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:32:08,120 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:32:08,120 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:32:08,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:32:08,121 INFO L82 PathProgramCache]: Analyzing trace with hash -997113547, now seen corresponding path program 1 times [2018-10-24 16:32:08,121 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:32:08,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:32:08,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:08,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:08,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 5800 trivial. 0 not checked. [2018-10-24 16:32:09,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:32:09,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:32:09,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:32:09,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:32:09,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:09,945 INFO L87 Difference]: Start difference. First operand 9368 states and 9752 transitions. Second operand 4 states. [2018-10-24 16:32:11,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:11,309 INFO L93 Difference]: Finished difference Result 22847 states and 23792 transitions. [2018-10-24 16:32:11,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:32:11,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1447 [2018-10-24 16:32:11,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:11,332 INFO L225 Difference]: With dead ends: 22847 [2018-10-24 16:32:11,332 INFO L226 Difference]: Without dead ends: 10961 [2018-10-24 16:32:11,342 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10961 states. [2018-10-24 16:32:11,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10961 to 10782. [2018-10-24 16:32:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10782 states. [2018-10-24 16:32:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10782 states to 10782 states and 11123 transitions. [2018-10-24 16:32:11,467 INFO L78 Accepts]: Start accepts. Automaton has 10782 states and 11123 transitions. Word has length 1447 [2018-10-24 16:32:11,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:11,468 INFO L481 AbstractCegarLoop]: Abstraction has 10782 states and 11123 transitions. [2018-10-24 16:32:11,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:32:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 10782 states and 11123 transitions. [2018-10-24 16:32:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2018-10-24 16:32:11,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:32:11,499 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:32:11,499 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:32:11,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:32:11,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1771443447, now seen corresponding path program 1 times [2018-10-24 16:32:11,500 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:32:11,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:32:11,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:11,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:11,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8591 backedges. 3526 proven. 444 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-24 16:32:14,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:32:14,952 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:32:14,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:15,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:32:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8591 backedges. 3598 proven. 372 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-24 16:32:17,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:32:17,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2018-10-24 16:32:17,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 16:32:17,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 16:32:17,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:32:17,099 INFO L87 Difference]: Start difference. First operand 10782 states and 11123 transitions. Second operand 9 states. [2018-10-24 16:32:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:23,167 INFO L93 Difference]: Finished difference Result 23719 states and 24503 transitions. [2018-10-24 16:32:23,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 16:32:23,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1647 [2018-10-24 16:32:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:23,192 INFO L225 Difference]: With dead ends: 23719 [2018-10-24 16:32:23,193 INFO L226 Difference]: Without dead ends: 12758 [2018-10-24 16:32:23,202 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1663 GetRequests, 1650 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-24 16:32:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12758 states. [2018-10-24 16:32:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12758 to 11501. [2018-10-24 16:32:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11501 states. [2018-10-24 16:32:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 11821 transitions. [2018-10-24 16:32:23,362 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 11821 transitions. Word has length 1647 [2018-10-24 16:32:23,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:23,363 INFO L481 AbstractCegarLoop]: Abstraction has 11501 states and 11821 transitions. [2018-10-24 16:32:23,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 16:32:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 11821 transitions. [2018-10-24 16:32:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-10-24 16:32:23,411 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:32:23,412 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:32:23,413 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:32:23,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:32:23,414 INFO L82 PathProgramCache]: Analyzing trace with hash -494298241, now seen corresponding path program 1 times [2018-10-24 16:32:23,414 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:32:23,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:32:23,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:23,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:23,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10214 backedges. 4394 proven. 0 refuted. 0 times theorem prover too weak. 5820 trivial. 0 not checked. [2018-10-24 16:32:25,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:32:25,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:32:25,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:32:25,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:32:25,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:25,785 INFO L87 Difference]: Start difference. First operand 11501 states and 11821 transitions. Second operand 4 states. [2018-10-24 16:32:27,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:27,154 INFO L93 Difference]: Finished difference Result 19582 states and 20098 transitions. [2018-10-24 16:32:27,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:32:27,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1821 [2018-10-24 16:32:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:27,156 INFO L225 Difference]: With dead ends: 19582 [2018-10-24 16:32:27,156 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:32:27,166 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:27,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:32:27,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:32:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:32:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:32:27,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1821 [2018-10-24 16:32:27,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:27,168 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:32:27,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:32:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:32:27,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:32:27,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:32:27,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,351 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2018-10-24 16:32:27,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:27,497 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2018-10-24 16:32:31,656 WARN L179 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2018-10-24 16:32:33,737 WARN L179 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-24 16:32:33,741 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-24 16:32:33,742 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,743 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-24 16:32:33,744 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-24 16:32:33,745 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:32:33,746 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-24 16:32:33,747 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,748 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-24 16:32:33,749 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:32:33,750 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:32:33,751 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-24 16:32:33,752 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,753 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,754 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,755 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,756 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse20 (= ~a21~0 10)) (.cse18 (= ~a21~0 7)) (.cse22 (+ ~a12~0 43)) (.cse0 (= ~a15~0 8))) (let ((.cse12 (not (= 7 ~a15~0))) (.cse9 (not .cse0)) (.cse17 (<= .cse22 0)) (.cse19 (<= 9 ~a15~0)) (.cse2 (<= ~a12~0 11)) (.cse3 (< 0 .cse22)) (.cse8 (= ~a21~0 8)) (.cse16 (= ~a15~0 7)) (.cse5 (<= ~a12~0 72)) (.cse14 (not .cse18)) (.cse6 (<= 19 ~a12~0)) (.cse13 (<= ~a15~0 8)) (.cse11 (<= ~a21~0 6)) (.cse7 (<= ~a12~0 73282)) (.cse4 (= ~a15~0 5)) (.cse15 (not .cse20)) (.cse10 (< 80 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse21 (<= (+ ~a12~0 49) 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8) (and .cse1 .cse9 .cse10 (= ~a21~0 9)) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse1 .cse11) (and .cse1 .cse8 (<= (+ ~a12~0 526767) 0)) (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15) (and .cse1 .cse8 .cse5 .cse6) (and .cse16 (and (and .cse17 .cse1) .cse18)) (and .cse1 .cse19 .cse20 .cse2) (and .cse1 .cse20 .cse4 .cse10) (and .cse1 .cse8 .cse2 .cse3) (and (and (or (and .cse1 .cse19 .cse20 .cse10) (and .cse13 .cse21 .cse11)) .cse12) .cse9) (and .cse1 .cse4 .cse8) (and (and .cse17 .cse0 .cse1) .cse20) (and .cse16 .cse1 .cse20) (or (and .cse1 .cse19 .cse8 .cse10) (and .cse1 .cse18 .cse10)) (and .cse1 .cse20 .cse2 .cse3) (and (<= ~a12~0 80) .cse0 .cse1 .cse14 .cse15) (and .cse16 .cse1 .cse8) (and .cse16 .cse1 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse4 .cse15) (and .cse0 .cse1 .cse20 .cse10) (and .cse0 .cse1 .cse21)))) [2018-10-24 16:32:33,756 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-24 16:32:33,756 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-24 16:32:33,756 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:32:33,756 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:32:33,756 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-24 16:32:33,756 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:32:33,757 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:32:33,758 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-24 16:32:33,759 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse20 (= ~a21~0 10)) (.cse18 (= ~a21~0 7)) (.cse22 (+ ~a12~0 43)) (.cse0 (= ~a15~0 8))) (let ((.cse12 (not (= 7 ~a15~0))) (.cse9 (not .cse0)) (.cse17 (<= .cse22 0)) (.cse19 (<= 9 ~a15~0)) (.cse2 (<= ~a12~0 11)) (.cse3 (< 0 .cse22)) (.cse8 (= ~a21~0 8)) (.cse16 (= ~a15~0 7)) (.cse5 (<= ~a12~0 72)) (.cse14 (not .cse18)) (.cse6 (<= 19 ~a12~0)) (.cse13 (<= ~a15~0 8)) (.cse11 (<= ~a21~0 6)) (.cse7 (<= ~a12~0 73282)) (.cse4 (= ~a15~0 5)) (.cse15 (not .cse20)) (.cse10 (< 80 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse21 (<= (+ ~a12~0 49) 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8) (and .cse1 .cse9 .cse10 (= ~a21~0 9)) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse1 .cse11) (and .cse1 .cse8 (<= (+ ~a12~0 526767) 0)) (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15) (and .cse1 .cse8 .cse5 .cse6) (and .cse16 (and (and .cse17 .cse1) .cse18)) (and .cse1 .cse19 .cse20 .cse2) (and .cse1 .cse20 .cse4 .cse10) (and .cse1 .cse8 .cse2 .cse3) (and (and (or (and .cse1 .cse19 .cse20 .cse10) (and .cse13 .cse21 .cse11)) .cse12) .cse9) (and .cse1 .cse4 .cse8) (and (and .cse17 .cse0 .cse1) .cse20) (and .cse16 .cse1 .cse20) (or (and .cse1 .cse19 .cse8 .cse10) (and .cse1 .cse18 .cse10)) (and .cse1 .cse20 .cse2 .cse3) (and (<= ~a12~0 80) .cse0 .cse1 .cse14 .cse15) (and .cse16 .cse1 .cse8) (and .cse16 .cse1 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse4 .cse15) (and .cse0 .cse1 .cse20 .cse10) (and .cse0 .cse1 .cse21)))) [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,760 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-24 16:32:33,761 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,762 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-24 16:32:33,763 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:32:33,764 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-24 16:32:33,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:32:33 BoogieIcfgContainer [2018-10-24 16:32:33,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:32:33,803 INFO L168 Benchmark]: Toolchain (without parser) took 82253.07 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -262.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-24 16:32:33,804 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:32:33,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:33,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:33,810 INFO L168 Benchmark]: Boogie Preprocessor took 105.54 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:33,810 INFO L168 Benchmark]: RCFGBuilder took 3602.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 142.9 MB). Peak memory consumption was 142.9 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:33,811 INFO L168 Benchmark]: TraceAbstraction took 77493.51 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 381.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 16:32:33,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 212.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.54 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3602.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 142.9 MB). Peak memory consumption was 142.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77493.51 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 381.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) || ((a24 == 1 && a15 == 5) && a12 <= 11)) || (((a24 == 1 && a15 == 5) && a12 <= 72) && 19 <= a12)) || (((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8)) || (((a24 == 1 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || (((a12 <= 95434 && 95381 <= a12) && a24 == 1) && a21 <= 6)) || ((a24 == 1 && a21 == 8) && a12 + 526767 <= 0)) || (((((!(7 == a15) && a24 == 1) && a12 <= 11) && a15 <= 8) && !(a21 == 7)) && !(a21 == 10))) || (((a24 == 1 && a21 == 8) && a12 <= 72) && 19 <= a12)) || (a15 == 7 && (a12 + 43 <= 0 && a24 == 1) && a21 == 7)) || (((a24 == 1 && 9 <= a15) && a21 == 10) && a12 <= 11)) || (((a24 == 1 && a21 == 10) && a15 == 5) && 80 < a12)) || (((a24 == 1 && a21 == 8) && a12 <= 11) && 0 < a12 + 43)) || ((((((a24 == 1 && 9 <= a15) && a21 == 10) && 80 < a12) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) && !(7 == a15)) && !(a15 == 8))) || ((a24 == 1 && a15 == 5) && a21 == 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || ((a15 == 7 && a24 == 1) && a21 == 10)) || (((a24 == 1 && 9 <= a15) && a21 == 8) && 80 < a12) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) && !(a21 == 10))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((a15 == 7 && a24 == 1) && a12 <= 72) && !(a21 == 7)) && 19 <= a12)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a12 <= 73282 && a24 == 1) && a15 == 5) && !(a21 == 10))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) || ((a24 == 1 && a15 == 5) && a12 <= 11)) || (((a24 == 1 && a15 == 5) && a12 <= 72) && 19 <= a12)) || (((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8)) || (((a24 == 1 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || (((a12 <= 95434 && 95381 <= a12) && a24 == 1) && a21 <= 6)) || ((a24 == 1 && a21 == 8) && a12 + 526767 <= 0)) || (((((!(7 == a15) && a24 == 1) && a12 <= 11) && a15 <= 8) && !(a21 == 7)) && !(a21 == 10))) || (((a24 == 1 && a21 == 8) && a12 <= 72) && 19 <= a12)) || (a15 == 7 && (a12 + 43 <= 0 && a24 == 1) && a21 == 7)) || (((a24 == 1 && 9 <= a15) && a21 == 10) && a12 <= 11)) || (((a24 == 1 && a21 == 10) && a15 == 5) && 80 < a12)) || (((a24 == 1 && a21 == 8) && a12 <= 11) && 0 < a12 + 43)) || ((((((a24 == 1 && 9 <= a15) && a21 == 10) && 80 < a12) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) && !(7 == a15)) && !(a15 == 8))) || ((a24 == 1 && a15 == 5) && a21 == 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || ((a15 == 7 && a24 == 1) && a21 == 10)) || (((a24 == 1 && 9 <= a15) && a21 == 8) && 80 < a12) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) && !(a21 == 10))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((a15 == 7 && a24 == 1) && a12 <= 72) && !(a21 == 7)) && 19 <= a12)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a12 <= 73282 && a24 == 1) && a15 == 5) && !(a21 == 10))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 77.3s OverallTime, 14 OverallIterations, 15 TraceHistogramMax, 49.3s AutomataDifference, 0.0s DeadEndRemovalTime, 6.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2288 SDtfs, 8463 SDslu, 1702 SDs, 0 SdLazy, 24772 SolverSat, 2647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2314 GetRequests, 2245 SyntacticMatches, 12 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11501occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 5612 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 156 NumberOfFragments, 779 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5812 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2952 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 13142 NumberOfCodeBlocks, 13142 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 13125 ConstructedInterpolants, 0 QuantifiedInterpolants, 26969950 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2740 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 48143/49010 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...